An animal treatment watchdog group wants disgraced American football star Michael Vick to undergo mental tests before he can be allowed to return to the sport.
Vick is serving a prison sentence on conspiracy charges in connection with his financing of a dogfight gambling ring.
After evidence in the case showed he killed dogs in such brutal manners as drowning, beating and electrocution, People for the Ethical Treatment of Animals sent a letter to NFL commissioner saying Vick may be a psychopath and should be assessed before having any chance of a return to the NFL.